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Sarah_Miller720 Group Title

What is the slope of the line?

  • one year ago
  • one year ago

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  1. Sarah_Miller720 Group Title
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    I got -2

    • one year ago
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  2. JayDS Group Title
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    noo...

    • one year ago
  3. Sarah_Miller720 Group Title
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    why?

    • one year ago
  4. JayDS Group Title
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    it will be undefined.

    • one year ago
  5. JayDS Group Title
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    or zero, let me check.

    • one year ago
  6. tkhunny Group Title
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    You are going to have to demonstrate how you managed that. Since ALL y-values are the same, your numerator should be zero.

    • one year ago
  7. Sarah_Miller720 Group Title
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    never mind if cant be -2 because to find the slope you have to do the rise and run thing and in this problem there isn't a rise

    • one year ago
  8. JayDS Group Title
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    **The gradient of a horizontal straight line will be zero. Let me explain.

    • one year ago
  9. Sarah_Miller720 Group Title
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    it*

    • one year ago
  10. JayDS Group Title
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    u are right.

    • one year ago
  11. tkhunny Group Title
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    No, there IS a rise, and it is zero! That is quite a bit different from "there is no rise".

    • one year ago
  12. JayDS Group Title
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    lets choose two points. (0,-2) (1,-2) and use the gradient formula to figure out the gradient. y=(-2--2)/(1-0) y=0/1 y=0

    • one year ago
  13. zordoloom Group Title
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    No slope exists for horizontal lines. This line would be called y=-2

    • one year ago
  14. tkhunny Group Title
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    Let's get it straight, folks: Horizontal Line: Zero Slope (Calculated Numerator is Zero) Vertical Line: No Slope (Calculated Denominator is Zero)

    • one year ago
  15. zordoloom Group Title
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    Don't by mistake write y=-2x, because that would mean that the slope is -2. Instead the line is just simply y=-2. And to correct @tkhunny, a horizontal line has no slope, and a vertical line has an undefined slope.

    • one year ago
  16. tkhunny Group Title
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    Seriously? Please read a better author. Horizontal Line: The slope is zero. m = 0. It is, therefore "Zero Slope". Vertical Line: The slope is not defined. m failes to exist. It is, therefore "No Slope".

    • one year ago
  17. tkhunny Group Title
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    The phrase "has an undefined slope" is not well-defined. If the slope is "undefined", nothing "has" it. It doesn't exist. The more precise language, for a vertical line, would be. "The slope is indefined." and "The line has no slope."

    • one year ago
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